Chikako Ubukata: Mariya Ise (Aku no Hana)
Sayuri Tachibana: Ayane Sakura (Gochuumon wa Usagi Desu ka?)

Katsutoshi Nakazawa: Katsuyuki Konishi (Hetalia Axis Powers)

Sayuri Tachibana: Ayane Sakura (Gochuumon wa Usagi Desu ka?)

Katsutoshi Nakazawa: Katsuyuki Konishi (Hetalia Axis Powers)

Pony Canyon has also uploaded advertisement footage which teases animation from the series. The footage was also shown at AnimeJapan 2016 last weekend.
Source: Official Twitter
